This is probably not the answer you are looking for but ... You should be using your second domain controller as your secondary DNS server. If you don't have 2 domain controllers (or more), do not ...
I have a domain hosted through GoDaddy, let's call it jehos.com (it's not). I want to set up home.jehos.com to point to my home network. I used to do this with DynDNS, but they don't appear to be free ...
If you're new to DNS, the easiest way to understand it is to compare it to a phone book. DNS is the phone book of the internet, except we don’t get to choose what number gets listed. Most of us let ...